| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] a [noun sg] | 56921 |
|
| 2 | to produce a [noun sg] | 659 |
|
| 3 | [is] to produce a | 59 |
|
| 4 | [is] to produce [noun sg] | 15 |
|
